Finding the Fourth Proportional to 1,498,142.10, 2,242,547.55 and 865,175.70
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Solution
The fourth proportional to 1,498,142.10, 2,242,547.55 and 865,175.70 is: 1,295,069.17
Step by Step Solution
- Step 1: Write the proportion equation
1,498,142.10 : 2,242,547.55 = 865,175.70 : x - Step 2: Convert to fraction form
1,498,142.10/2,242,547.55 = 865,175.70/x - Step 3: Cross multiply
1,498,142.10x = 2,242,547.55 × 865,175.70 - Step 4: Simplify right side
1,498,142.10x = 1,940,197,646,354.53 - Step 5: Solve for x
x = 1,940,197,646,354.53/1,498,142.10 - Step 6: Final answer
x = 1,295,069.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.